2010 Fiscal Year Final Research Report
Rapid evaluation and effective control of potential environmental impact of soils and rocks containing natural derived heavy metals
| Project/Area Number |
20360211
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geotechnical engineering
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| Research Institution | Takamatsu National College of Technology |
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Principal Investigator |
KAMON Masashi Takamatsu National College of Technology, 校長 (40026331)
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| Co-Investigator(Kenkyū-buntansha) |
KATSUMI Takeshi 京都大学, 大学院・地球環境学堂, 教授 (60233764)
INUI Toru 京都大学, 大学院・地球環境学堂, 准教授 (90324706)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 環境質定量化・予測 / 環境調和型都市基盤整備・建築 / 地盤工学 / 自然由来重金属 / 建設発生土 / 溶出 |
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| Research Abstract |
When excavation or mining works are executed at geological stratums that contain heavy metals with natural origin, rapid evaluation and cost-effective control of environmental impact caused by excavated materials are big geotechnical issues in Japan. This research proposed simplified laboratory testing methods to estimate long term leaching amounts of arsenic and lead naturally contained in excavated rocks, by comparing the results of several laboratory leaching tests and long term outdoor exposure tests which were conducted in more than 1 year. In addition, long term performance of two remediation technologies ; 1) on-site containment with mineral barriers and 2) ex situ arsenic removal from contaminated groundwater using zero valent iron, were experimentally verified.
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[Journal Article] Heavy metals retention in geosynthetic clay liners and its potential role in acid rock drainage treatment
Author(s)
Naka, A., Li, Z., Inui, T., Katsumi, T., Mogami, H.
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Journal Title
Geosynthetics Engineering Journal Vol,25
Pages: 233-240
Peer Reviewed
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